@article{MR_2000_53_a0,
     author = {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\iota}o\ensuremath{\varsigma} \ensuremath{\Delta}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\iota}o\ensuremath{\varsigma}},
     title = {P\ensuremath{\upsilon}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\iota} {M\ensuremath{\acute\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma}} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {\ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\gamma}o\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\varsigma}} {B\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma}} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\alpha}\ensuremath{\pi}\'{o}\ensuremath{\kappa}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\gamma}\ensuremath{\nu}\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\nu}.},
     journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}},
     pages = {3--10},
     year = {2000},
     volume = {53},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2000_53_a0/}
}